CVE-2019-7421 Cross-site scripting in n/a

Medium 6.1 Published 17 Mar 2019 Updated 4 Aug 2024

Cross-site scripting in Samsung SyncThru Web Service allows attackers to inject scripts via login parameters, potentially compromising user sessions.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2019-7421?

CVE-2019-7421 is a medium-severity cross-site scripting vulnerability in n/a, published on 17 Mar 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

XSS exists in SAMSUNG X7400GX SyncThru Web Service V6.A6.25 V11.01.05.25_08-21-2015 in "/sws.login/gnb/loginView.sws" in multiple parameters: contextpath and basedURL.

Weakness: CWE-79

Which versions are affected by CVE-2019-7421?

It affects 2 products.

Products include Samsung Syncthru Web Service, Samsung X7400gx Firmware.

How do I fix CVE-2019-7421?

No fix has been published for CVE-2019-7421 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2019-7421 being exploited?

There is no known exploitation of CVE-2019-7421 in the wild and no public exploit code.

Sources

Also known as GHSA-r3wq-v7xc-m5hr.